Bottle cap



FIG. 1 is a top plan view of a bottle cap showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof, the rear being a mirror image of the front shown;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof with the cap in an open position, the rear being a mirror image of the front shown; and

FIG. 7 is a top plan view thereof with the cap in the open position. 

The ornamental design for a bottle cap, as shown and described. 